4747442 has 8 divisors (see below), whose sum is σ = 8138496. Its totient is φ = 2034612.

The previous prime is 4747441. The next prime is 4747451. The reversal of 4747442 is 2447474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4747399 and 4747408.

It is not an unprimeable number, because it can be changed into a prime (4747441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169538 + ... + 169565.

It is an arithmetic number, because the mean of its divisors is an integer number (1017312).

Almost surely, 2^4747442 is an apocalyptic number.

4747442 is a deficient number, since it is larger than the sum of its proper divisors (3391054).

4747442 is a wasteful number, since it uses less digits than its factorization.

4747442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339112.

The product of its digits is 25088, while the sum is 32.

The square root of 4747442 is about 2178.8625472939. The cubic root of 4747442 is about 168.0685897178.

Adding to 4747442 its sum of digits (32), we get a palindrome (4747474).

Subtracting from 4747442 its reverse (2447474), we obtain a cube (2299968 = 132³).

The spelling of 4747442 in words is "four million, seven hundred forty-seven thousand, four hundred forty-two".